RIOMET Drug Patent Profile
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Which patents cover Riomet, and what generic alternatives are available?
Riomet is a drug marketed by Ranbaxy and Sun Pharm and is included in two NDAs. There is one patent protecting this drug and one Paragraph IV challenge.
The generic ingredient in RIOMET is metformin hydrochloride. There are forty-nine drug master file entries for this compound. Seventy-nine suppliers are listed for this compound. Additional details are available on the metformin hydrochloride profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Riomet
A generic version of RIOMET was approved as metformin hydrochloride by ATLAS PHARMS LLC on January 24th, 2002.
Summary for RIOMET
US Patents: | 0 |
Applicants: | 2 |
NDAs: | 2 |
Finished Product Suppliers / Packagers: | 1 |
Raw Ingredient (Bulk) Api Vendors: | 146 |
Clinical Trials: | 39 |
Patent Applications: | 860 |
Formulation / Manufacturing: | see details |
Drug Prices: | Drug price information for RIOMET |
Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for RIOMET |
What excipients (inactive ingredients) are in RIOMET? | RIOMET excipients list |
DailyMed Link: | RIOMET at DailyMed |



Recent Clinical Trials for RIOMET
Identify potential brand extensions & 505(b)(2) entrants
Sponsor | Phase |
---|---|
University of Colorado, Denver | Phase 1 |
National Heart, Lung, and Blood Institute (NHLBI) | Phase 1 |
St. Baldrick's Foundation | Phase 2 |
Anatomical Therapeutic Chemical (ATC) Classes for RIOMET
Paragraph IV (Patent) Challenges for RIOMET
Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
---|---|---|---|---|---|---|
RIOMET | Oral Solution | metformin hydrochloride | 500 mg/5 mL | 021591 | 1 | 2018-02-02 |
US Patents and Regulatory Information for RIOMET
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ranbaxy | RIOMET | metformin hydrochloride | SOLUTION;ORAL | 021591-001 | Sep 11, 2003 | AB | RX | Yes | Yes | See Plans and Pricing | See Plans and Pricing | See Plans and Pricing | |||
Sun Pharm | RIOMET ER | metformin hydrochloride | FOR SUSPENSION, EXTENDED RELEASE;ORAL | 212595-001 | Aug 29, 2019 | DISCN | Yes | No | See Plans and Pricing | See Plans and Pricing | Y | See Plans and Pricing | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
Expired US Patents for RIOMET
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
---|---|---|---|---|---|---|---|
Ranbaxy | RIOMET | metformin hydrochloride | SOLUTION;ORAL | 021591-001 | Sep 11, 2003 | See Plans and Pricing | See Plans and Pricing |
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for RIOMET
See the table below for patents covering RIOMET around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
New Zealand | 524519 | Liquid formulation of metformin | See Plans and Pricing |
European Patent Office | 1387675 | See Plans and Pricing | |
Russian Federation | 2003104808 | See Plans and Pricing | |
Canada | 2416767 | See Plans and Pricing | |
>Country | >Patent Number | >Title | >Estimated Expiration |
Supplementary Protection Certificates for RIOMET
Patent Number | Supplementary Protection Certificate | SPC Country | SPC Expiration | SPC Description |
---|---|---|---|---|
1506211 | C300677 | Netherlands | See Plans and Pricing | PRODUCT NAME: COMBINATIE VAN DAPAGLIFLOZINE OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN EN METFORMINE OF EEN FARMACEITISCH AANVAARDBAAR ZOUT DAARVAN, ZOALS BESCHERMD DOOR HET BASISOCTROOI EP 1506211B1; REGISTRATION NO/DATE: EU/1/13/900 20140121 |
1412357 | 77 5006-2008 | Slovakia | See Plans and Pricing | PRODUCT NAME: SITAGLIPTIN A METFORMIN; NAT. REG.NO/DATE: EU/1/08/455/001-014, EU/1/08/456/001-014, EU/1/08/457/001-014 20080716; FIRST REG.:CH 58450 01-03 20080408 |
1412357 | 122008000046 | Germany | See Plans and Pricing | PRODUCT NAME: SITAGLIPTIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE SITAGLIPTINPHOSPHAT- MONOHYDRAT, IN KOMBINATION MIT METFORMIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE DES HYDROCHLORIDS; NAT. REGISTRATION NO/DATE: EU/1/08/455/001-014 20080716 FIRST REGISTRATION: CH/LI 58450 01 58450 02 58450 03 20080408 |
1412357 | 132008901682802 | Italy | See Plans and Pricing | PRODUCT NAME: SITAGLIPTIN/METFORMINA CLORIDRATO(JANUMET, VELMETIA, EFFICIB); AUTHORISATION NUMBER(S) AND DATE(S): JANUMET:EU/1/08/455/001... 014; VELMETIA:EU/1/08/456/001...014;EFFICIB: EU/1/08/457/001....014, 20080716;58450-01;58450-02; 58450-03, 20080408 |
>Patent Number | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration | >SPC Description |